Over bill

Hi can somebody help me for my problem I have been here before for my phone mobility and now Have a problem for payment on our home service and home security.it will not happen and I’m not getting upset for Telus only have a problem for the store agent did not give us a details he want only to get client.please can someone can help me again for this situation I think I got a over billed because all the gadget for security I did not yet return and don’t know where I’m going to drop off and actually did not yet use totally that all when I got the problem for my phone mobility then I try to get again on my Shaw please help me thanks